.contain {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: #141414;
}

.content {
  flex-grow: 1;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.topBg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 574rpx;
  z-index: 0;
}
